feature: adds (ctrl +) mousewheel zoom mod

mods/mousewheel-zoom/mod.js

@@ -0,0 +1,41 @@
+/*
+ * mousewheel zoom
+ * (c) 2020 younes0 <younes.bieche@gmail.com>
+ * under the MIT license
+ */
+
+'use strict'
+
+module.exports = {
+  id: 'a4032ee9-2cfe-4c5c-b1b7-6606d5836acc',
+  tags: ['extension'],
+  name: 'mousewheel zoom',
+  desc: 'allows Ctrl + Mousewheel zoom',
+  version: '1.0.0',
+  author: 'younes0',
+  hacks: {
+    'renderer/preload.js' (store, __exports) {
+      const electron = require('electron')
+      const isScrollDirectionUp = e =>
+        e.wheelDelta ? e.wheelDelta > 0 : e.deltaY < 0
+
+      document.addEventListener('readystatechange', () => {
+        if (document.readyState !== 'complete') {
+          return false
+        }
+
+        const webContents = electron.remote.getCurrentWindow().webContents
+
+        document.addEventListener('wheel', e => {
+          if (e.ctrlKey) {
+            const zoomFactor = webContents.getZoomFactor()
+
+            webContents.setZoomFactor(
+              isScrollDirectionUp(e) ? zoomFactor + 0.1 : zoomFactor - 0.1
+            )
+          }
+        })
+      })
+    }
+  }
+}